Search a number
-
+
1306431020152 = 231116411462759
BaseRepresentation
bin10011000000101101010…
…110110101110001111000
311121220010102110010101201
4103000231112311301320
5132401032320121102
62440055514423544
7163246402306306
oct23005526656170
94556112403351
101306431020152
11464066285885
12191241131bb4
1396271575bcb
1447335715276
1523eb37ec987
hex1302d5b5c78

1306431020152 has 16 divisors (see below), whose sum is σ = 2449581778800. Its totient is φ = 653209212480.

The previous prime is 1306431020119. The next prime is 1306431020161. The reversal of 1306431020152 is 2510201346031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306431020152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161749 + ... + 1624507.

It is an arithmetic number, because the mean of its divisors is an integer number (153098861175).

Almost surely, 21306431020152 is an apocalyptic number.

It is an amenable number.

1306431020152 is a deficient number, since it is larger than the sum of its proper divisors (1143150758648).

1306431020152 is a wasteful number, since it uses less digits than its factorization.

1306431020152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574406 (or 1574402 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1306431020152 its reverse (2510201346031), we get a palindrome (3816632366183).

The spelling of 1306431020152 in words is "one trillion, three hundred six billion, four hundred thirty-one million, twenty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 111641 223282 446564 893128 1462759 2925518 5851036 11702072 163303877519 326607755038 653215510076 1306431020152